EN
001792.04 11/2018 EN/DE
12 Operating instructions oat switch, model ELS
WARNING!
Ensure that the functional check does not start any
unintended processes.
Ensure that the sealing faces of the vessel or oat switch are clean and
do not show any mechanical damage.
5.2 Mounting
■
Observe the torque values of screws specied in pipetting work.
■
In the selection of the mounting material (sealings, screws, washers
and nuts), take the process conditions into account. The suitability
of the sealing must be specied with regard to the medium and
its vapours. In addition, ensure it has corresponding corrosion
resistance.
■
The oat switch is mounted to the vessel from the outside
■
Mount the oat switch correctly for the design of the process
connection.
5.3 Electrical connection
■
The electrical connection must only be
made by qualied skilled personnel.
■
Connection details and switching
functions are given on the connection
diagram on the instrument and the
connection terminals are appropriately
marked (exception: Versions with only
one normally closed or normally open
contact).
■
Seal the cable bushing at the
connection housing .
■
The mains connection lines to be
provided must be dimensioned for
maximum instrument current supply
and comply with IEC 227 or IEC 245.
5. Commissioning, operation